<?php
    /** PHPExcel root directory */
    if (!defined('PHPEXCEL_ROOT')) {
        /**
         * @ignore
         */
        define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
        require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
    }

    /**
     * PHPExcel_Cell_DefaultValueBinder
     * Copyright (c) 2006 - 2015 PHPExcel
     * This library is free software; you can redistribute it and/or
     * modify it under the terms of the GNU Lesser General Public
     * License as published by the Free Software Foundation; either
     * version 2.1 of the License, or (at your option) any later version.
     * This library is distributed in the hope that it will be useful,
     * but WITHOUT ANY WARRANTY; without even the implied warranty of
     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     * Lesser General Public License for more details.
     * You should have received a copy of the GNU Lesser General Public
     * License along with this library; if not, write to the Free Software
     * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
     * @category   PHPExcel
     * @package    PHPExcel_Cell
     * @copyright  Copyright (c) 2006 - 2015 PHPExcel (http://www.codeplex.com/PHPExcel)
     * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
     * @version    ##VERSION##, ##DATE##
     */
    class PHPExcel_Cell_DefaultValueBinder implements PHPExcel_Cell_IValueBinder {
        /**
         * Bind value to a cell
         * @param  PHPExcel_Cell $cell  Cell to bind value to
         * @param  mixed         $value Value to bind in cell
         * @return boolean
         */
        public function bindValue(PHPExcel_Cell $cell, $value = null) {
            // sanitize UTF-8 strings
            if (is_string($value)) {
                $value = PHPExcel_Shared_String::SanitizeUTF8($value);
            } elseif (is_object($value)) {
                // Handle any objects that might be injected
                if ($value instanceof DateTime) {
                    $value = $value->format('Y-m-d H:i:s');
                } elseif (!($value instanceof PHPExcel_RichText)) {
                    $value = (string)$value;
                }
            }
            // Set value explicit
            $cell->setValueExplicit($value, self::dataTypeForValue($value));
            // Done!
            return true;
        }

        /**
         * DataType for value
         * @param   mixed $pValue
         * @return  string
         */
        public static function dataTypeForValue($pValue = null) {
            // Match the value against a few data types
            if ($pValue === null) {
                return PHPExcel_Cell_DataType::TYPE_NULL;
            } elseif ($pValue === '') {
                return PHPExcel_Cell_DataType::TYPE_STRING;
            } elseif ($pValue instanceof PHPExcel_RichText) {
                return PHPExcel_Cell_DataType::TYPE_INLINE;
            } elseif ($pValue{0} === '=' && strlen($pValue) > 1) {
                return PHPExcel_Cell_DataType::TYPE_FORMULA;
            } elseif (is_bool($pValue)) {
                return PHPExcel_Cell_DataType::TYPE_BOOL;
            } elseif (is_float($pValue) || is_int($pValue)) {
                return PHPExcel_Cell_DataType::TYPE_NUMERIC;
            } elseif (preg_match('/^[\+\-]?([0-9]+\\.?[0-9]*|[0-9]*\\.?[0-9]+)([Ee][\-\+]?[0-2]?\d{1,3})?$/', $pValue)) {
                $tValue = ltrim($pValue, '+-');
                if (is_string($pValue) && $tValue{0} === '0' && strlen($tValue) > 1 && $tValue{1} !== '.') {
                    return PHPExcel_Cell_DataType::TYPE_STRING;
                } elseif ((strpos($pValue, '.') === false) && ($pValue > PHP_INT_MAX)) {
                    return PHPExcel_Cell_DataType::TYPE_STRING;
                }
                return PHPExcel_Cell_DataType::TYPE_NUMERIC;
            } elseif (is_string($pValue) && array_key_exists($pValue, PHPExcel_Cell_DataType::getErrorCodes())) {
                return PHPExcel_Cell_DataType::TYPE_ERROR;
            }
            return PHPExcel_Cell_DataType::TYPE_STRING;
        }
    }
